A stem cell is a cell with the unique ability to develop into specialised cell types in the body.
8 chromosomes. In reality each egg and sperm have 23 chromosomes each in order for produce a healthy zygote
Answer: B... I think
Explanation:
Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.
Primary treatment in a sewage treatment plant is
<span>removing solids from the water</span>
<span>The plant is called a
lycophyte. Lycophytes are plants that are similar to ferns. This plants does
not have fruits, flowers, and seeds. Lycophytes are reproducted by wind
pollination. The leaves of lycophytes are called microphyllis which consist of
one vein. </span>